Producing process for alkali proof glass beads

A production method and technology for glass balls, which are applied in glass forming, glass furnace equipment, glass manufacturing equipment, etc., can solve the problems of uneven temperature field, low surface temperature of glass liquid, small production scale, etc., and achieve remarkable energy saving effect. Easy to adjust and control, the effect of large scale production

Inactive Publication Date: 2004-06-02
自贡市宏洋新型材料制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method used to produce this kind of glass balls is to use an all-electric melting furnace to produce. Although this production method has less burning loss and flying loss, it has a small production scale, and each furnace can only set up 1 to 2 groups of balls. machine (2-4T / day production), high power consumption, low surface temperature of molten glass in the furnace, uneven temperature field, poor product quality, more bubbles and high production costs, etc.
However, the traditional horseshoe flame furnace used for melting alkali-free or medium-alkali glass balls uses conventional refractory materials as the inner lining and furnace body of the furnace. If it is used to melt alkali-resistant glass balls, it has poor high temperature resistance. Short service life and other defects, so it cannot be used to produce alkali-resistant glass balls so far

Method used

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Examples

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Effect test

Embodiment 1

[0014] In this embodiment, each tray takes the preparation of the required mixture for the production of 100kg of alkali-resistant glass balls as an example. The amount of each raw material and auxiliary material is respectively: 60.0kg of quartz sand, which contains: SiO 2 >99%, Fe 2 o 3 ≤0.06%, rutile 7.85kg, of which TiO 2 >87.6%, SiO 2 2 2 >63%, SiO 2 2 2 >96.0%, calcite 8.5kg, containing CaO >56%, SiO 2 <13%, 7.1kg of potassium nitrate with purity ≥99.0% and 26kg of soda ash with purity ≥99.0%. Present embodiment production method is:

[0015] A, the above-mentioned raw materials and auxiliary materials except potassium nitrate and soda ash are all pulverized and passed through a 40-mesh sieve, and are weighed according to the above-mentioned amounts before use;

[0016] B, initial batching: a. Mix the potassium nitrate, fluorite, and rutile that are weighed for use; b. Mix the remaining raw materials and auxiliary materials that are weighed for use;

[0017] C. St...

Embodiment 2

[0022] In this embodiment, 10% of the total chemical composition of the glass balls to be produced is introduced into the original and auxiliary material formula, and the waste alkali-resistant glass balls and glass slag with the same chemical composition as the glass balls to be produced are introduced. The chemical compositions of the remaining raw materials and auxiliary materials are the same as in Example 1. Still taking the ingredients for each tray of 100kg glass balls as an example: 55kg of quartz sand, 10kg of clinker, 7.13kg of rutile, 26.8kg of zircon sand, 1.72kg of fluorite, 7.73kg of calcite, 6.41kg of potassium nitrate, and 23.6kg of soda ash. Except for the clinker, the production of the mixture is the same as in Example 1. Before the furnace is put into the furnace, the mixture is mixed with the clinker crushed to a diameter of <5cm, and then fed into the kiln at a uniform speed by the feeder for melting. The rest of the process is also the same as Embodiment 1...

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Abstract

The present invention is production process of glass ball for producing alkali resisting glass fiber. The materials including quartzite, calcite, zirconite, rutile, fluorite, potassium nitrate, sodium carbonate and chamotte are crushed and mixed to form the mixed material; and the mixed material is smelted in natural gas burning smelting furnace with zircon corundum brick lining and further processed through cooling, clarification, ball making and annealing to produce alkali resisting glass ball with high zirconia content. The said production process has high product output, low production cost and high product quality and low power consumption, and is easy to control.

Description

technical field [0001] The invention belongs to the production method of alkali-resistant glass spheres in the building materials industry, in particular to a process for producing high-zirconia (ZrO) 2 ) method of producing glass spheres. The glass spheres are especially suitable as a raw material for the production of alkali-resistant glass fibers. Background technique [0002] Alkali-resistant glass fiber is the reinforcing base material for manufacturing glass fiber reinforced cement products (GRC for short). Because this product has light weight, high strength, non-combustibility, strong designability, easy molding, and long service life, the cost is much lower than that of FRP. , Magnesium cement and its long-term performance is better than that of magnesium cement. It has been widely used in construction and civil engineering at home and abroad, not only as a wall material for cold regions, but also extended to some existing product fields usually made of FRP magnes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/16C03B7/00C03B19/10C03C3/087C03C6/00C03C13/00
CPCC03C13/00C03C3/078C03C3/087
Inventor 范国矿莫云武
Owner 自贡市宏洋新型材料制品有限公司
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